The Prompt Engineering Directory

Quality-scored directory of 4,821 prompt engineering tools, updated daily. Every tool scored on maintenance, adoption, maturity, and community signals.

Prompt engineering tools help design, optimise, and manage prompts for large language models — including frameworks, guardrails, and output parsers.

Verified

8

70–100

Established

143

50–69

Emerging

988

30–49

Experimental

3,682

10–29

Top tools by quality score

# Tool Score
1 langfuse/langfuse

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals,...

82
2 Arize-ai/phoenix

AI Observability & Evaluation

81
3 promptfoo/promptfoo

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability...

81
4 microsoft/prompty

Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for...

76
5 dottxt-ai/outlines

Structured Outputs

74
6 Mirascope/mirascope

The LLM Anti-Framework

74
7 VersusControl/devops-ai-guidelines

First AI Journey for DevOps - with comprehensive learning paths, practical...

70
8 f/prompts.chat

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from...

70
9 linshenkx/prompt-optimizer

一款提示词优化器,助力于编写高质量的提示词

69
10 Agenta-AI/agenta

The open-source LLMOps platform: prompt playground, prompt management, LLM...

69
11 microsoft/promptflow

Build high-quality LLM apps - from prototyping, testing to production...

68
12 Helicone/helicone

🧊 Open source LLM observability platform. One line of code to monitor,...

68
13 pnp/copilot-prompts

Examples of prompts for Microsoft Copilot

68
14 shcherbak-ai/contextgem

ContextGem: Effortless LLM extraction from documents

67
15 promptslab/Promptify

Prompt Engineering | Prompt Versioning | Use GPT or other prompt based...

67
16 promptslab/Awesome-Prompt-Engineering

This repository contains a hand-curated resources for Prompt Engineering...

66
17 BoundaryML/baml

The AI framework that adds the engineering to prompt engineering...

66
18 masci/banks

LLM prompt language based on Jinja. Banks provides tools and functions to...

65
19 protectai/llm-guard

The Security Toolkit for LLM Interactions

65
20 microsoft/genaiscript

Automatable GenAI Scripting

65

Browse by category

Uncategorized

377 tools

Prompt Crafting Assistants

341 tools

Domain-Specific Workflows

256 tools

Prompt Engineering Resources

249 tools

Curated Prompt Libraries

157 tools

Prompt Engineering Guides

138 tools

Advanced Prompt Protocols

126 tools

Prompt Templating Frameworks

123 tools

Codebase Context Extraction

121 tools

LLM Fine-Tuning Frameworks

105 tools

Prompt Injection Security

102 tools

LLM Evaluation Frameworks

100 tools

Image Prompt Engineering

90 tools

Evolutionary Prompt Optimization

88 tools

GPT-Powered Applications

87 tools

Product Management Prompts

87 tools

Gemini Prompt Workbenches

86 tools

Prompt Library Apps

71 tools

Prompt Engineering Courses

71 tools

Browser Prompt Injection

69 tools

Cognitive Calibration Frameworks

68 tools

Streamlit App Templates

67 tools

Agentic Team Frameworks

62 tools

Prompt Optimization Systems

61 tools

Output Parsing

58 tools

Prompt Engineering Systems

57 tools

Prompt Management Systems

53 tools

Prompt Collections Libraries

51 tools

Career Application Automation

50 tools

Optimization

50 tools

Reasoning Chain Frameworks

45 tools

Code Review Automation

45 tools

LangChain Prompt Templates

41 tools

Domain Agent Frameworks

41 tools

Content Generation Automation

40 tools

Prompt Engineering Tools

39 tools

AI Development Workflows

39 tools

Persona Chatbot Systems

39 tools

Prompt Token Optimization

38 tools

Video Prompt Engineering

38 tools

LLM Testing Frameworks

37 tools

Specialized Domain Chatbots

35 tools

AI Learning Curriculum

34 tools

Prompt Experimentation Platforms

34 tools

Prompt Library

34 tools

AI Debate Arenas

33 tools

Prompt Optimization Extensions

33 tools

VS Code Prompt Tools

32 tools

LLM Observability Platforms

27 tools

Generative AI Platforms

27 tools

Vibe Coding Guides

25 tools

Nano Banana Prompts

24 tools

Prompt Engineering Optimization

23 tools

LLM Workflow Orchestration

23 tools

Copilot Prompt Management

22 tools

Llm Firewall Defense

21 tools

Prompt Management Extensions

21 tools

Prompt Engineering Libraries

20 tools

Prompt Engineering Frameworks

19 tools

Prompt Engineering Techniques

19 tools

Music Prompt Generation

19 tools

Portfolio Showcase Builders

18 tools

Multi-Agent AI Systems

17 tools

ComfyUI Prompt Management

17 tools

Sales Lead Automation

16 tools

Prompt Engineering Games

16 tools

Prompt Management Tools

14 tools

Financial AI Agents

14 tools

Text Summarization Tools

13 tools

Guardrails

12 tools

ML Project Portfolios

12 tools

Prompt Engineering Security

9 tools

Natural Language SQL

9 tools

Knowledge Distillation Frameworks

8 tools

Ai Image Generation Platforms

8 tools

Ai Red Teaming

7 tools

Cursor Rules And Configs

6 tools

Prompt Framework

6 tools

Prompt Engineering Mcp

5 tools

Comfyui Extensions

5 tools

Llm Comparison Evaluation

5 tools

RAG Document Systems

5 tools

Ai Agent Vulnerability Scanning

4 tools

Chatgpt Prompt Templates

4 tools

Ai Content Writing

4 tools

Gpt2 Pretraining Fine Tuning

4 tools

Code Context Packaging

4 tools

Generative Ai Learning

3 tools

Chain Of Thought Reasoning

3 tools

Ai Presentation Generation

3 tools

Evaluation Frameworks Metrics

3 tools

Llm Evaluation Platforms

3 tools

Task Oriented Dialogue Systems

3 tools

Agent Memory Systems

3 tools

Github Pr Automation

3 tools

Agent Framework Platforms

2 tools

Synthetic Data Generation

2 tools

Llm Pentest Automation

2 tools

Streamlit Chatbot Apps

2 tools

Ai Text Humanization

2 tools

Structured Output Enforcement

2 tools

Ai Story Generation

2 tools

Continual Learning Frameworks

2 tools

Ai Tutoring Platforms

2 tools

Nano Banana Tools

2 tools

Llm Finetuning Frameworks

2 tools

Llm Interpretability Explainability

2 tools

Diffusion Model Frameworks

2 tools

Agent Context Compilation

2 tools

Ai Terminal Agents

2 tools

Gemini Web Chatbots

2 tools

Code Repository Intelligence

2 tools

Claude Code Workflows

2 tools

Claude Code Agents

2 tools

Multi Provider Llm Interfaces

2 tools

Gemini Chatbot Applications

2 tools

Chatgpt Api Wrappers

2 tools

Text To Image Generation

2 tools

Llm Evaluation Benchmarking

2 tools

Chatgpt Jailbreak Prompts

2 tools

Ai Powered App Builders

2 tools

Domain Specific Benchmarks

2 tools

Jailbreak Attacks Analysis

2 tools

Llm Orchestration Platforms

2 tools

Dotnet Azure Rag

2 tools

Vibe Coding Agents

1 tools

Code Completion Copilots

1 tools

Chatgpt Resource Collections

1 tools

Chat Export Tools

1 tools

Codebase Context Generation

1 tools

Deepseek Deployment Tools

1 tools

Cursor Agent Rules

1 tools

Competitive Agent Games

1 tools

Text To Image Wrappers

1 tools

Multi Model Chat Aggregators

1 tools

Nlp Learning Resources

1 tools

Agent Framework Patterns

1 tools

Graph Neural Networks

1 tools

Code Model Training

1 tools

Llm Benchmark Leaderboards

1 tools

Ai Code Assistants

1 tools

Personal Llm Companions

1 tools

Document Generation Agents

1 tools

Clinical Note Analysis

1 tools

Transformer Based Summarization

1 tools

Ai Service Sdks

1 tools

Langchain Tool Integrations

1 tools

Code Audit Agents

1 tools

Discord Ai Bots

1 tools

Ai Powered Business Analytics

1 tools

Vibe Coding Framework

1 tools

Codex Deployment Clients

1 tools

Langchain Agent Frameworks

1 tools

Domain Specific Copilots

1 tools

Claude Api Proxies

1 tools

Ai Video Generation

1 tools

Natural Language Sql Builders

1 tools

Semantic Kernel Tools

1 tools

Agent Skill Libraries

1 tools

Cybersecurity Soc Rag

1 tools

Ai Children Storytelling

1 tools

Gemini Api Applications

1 tools

Self Hosted Rag Platforms

1 tools

Academic Paper Tools

1 tools

Browser Automation Mcp

1 tools

Comfyui Node Extensions

1 tools

Llm Provider Sdks

1 tools

Obsidian Ai Plugins

1 tools

Graph Language Models

1 tools

Gpt Implementation Tutorials

1 tools

Flashcard Generation

1 tools

Llm Hallucination Mitigation

1 tools

Ml Drift Detection

1 tools

Gpt Multilingual Training

1 tools

Ai Code Generation

1 tools

Media Generation Skills

1 tools

Emotion Detection Transformers

1 tools

Rag Curated Resources

1 tools

Claude Code Skills

1 tools

Seismic Deep Learning

1 tools

Next Js Chatbot Templates

1 tools

Pii Redaction Tools

1 tools

Summarization Web Applications

1 tools

Multi Agent Debate Systems

1 tools

Claude Skill Orchestration

1 tools

Meeting Transcription Summarizers

1 tools

Gemini Ai Applications

1 tools

Multi Agent Council Systems

1 tools

Text To Structured Data

1 tools

Agentic Workflow Skills

1 tools

Ai Podcast Generation

1 tools

Multi Agent Code Generation

1 tools

Youtube Comment Sentiment

1 tools

Chatgpt Api Tutorials

1 tools

Automated Answer Grading

1 tools

Natural Language Command Generation

1 tools

Alfred Ai Workflows

1 tools

Cli Llm Interfaces

1 tools

Ai Writing Assistants

1 tools

Fake News Detection

1 tools

Ruby Llm Frameworks

1 tools

Image Generation Frameworks

1 tools

Langchain Tool Building

1 tools

Claude Code Plugins

1 tools

Ai Generated Text Detection

1 tools

Agent Orchestration Frameworks

1 tools

Ai Ethics Governance

1 tools

Content To Markdown

1 tools

Canvas Ui Orchestration

1 tools

Ecommerce Agent Systems

1 tools

Data Privacy Protection

1 tools

Social Media Content Generation

1 tools

Ai Stock Analysis

1 tools

Gpt Domain Tools

1 tools

Claude Code Configuration

1 tools

Text Authenticity Detection

1 tools

Machine Translation Systems

1 tools

Llm Thesis Research

1 tools

Interactive Llm Applications

1 tools

Csv Data Chat

1 tools

Langchain Framework Guides

1 tools

Production Rag Systems

1 tools

Domain Specific Rag Chatbots

1 tools

Ml Learning Resources

1 tools

Next Word Prediction

1 tools

Ai Coding Assistants

1 tools

Breast Cancer Screening Ai

1 tools

Macos Desktop Automation

1 tools

Prolog Logic Programming

1 tools

Diffusion Deployment Infrastructure

1 tools

Recommendation Engine Rag

1 tools

Cybersecurity Gpt Tools

1 tools